package cn.train.filter;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import cn.train.model.UserTable;

/**
 * Servlet Filter implementation class FontFilter
 */
@WebFilter(filterName="FontFilter",urlPatterns="font/pay/*")
public class FontFilter implements Filter {

    /**
     * Default constructor. 
     */
    public FontFilter() {
        // TODO Auto-generated constructor stub
    }

	public void destroy() {
		// TODO Auto-generated method stub
	}


	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		HttpServletRequest httpRequest = (HttpServletRequest)request;
		HttpServletResponse httpResponse = (HttpServletResponse)response;
		HttpSession session = httpRequest.getSession();
	      UserTable user=(UserTable)session.getAttribute("usertable"); 
	      System.out.println("userhjhh"+user);
		if(user==null){
			
			httpResponse.sendRedirect("/font/index.jsp");
			
		}
		
		chain.doFilter(request, response);
	}
	public void init(FilterConfig fConfig) throws ServletException {
		// TODO Auto-generated method stub
	}

}
